Table 2.
Treatment characteristics
| Parameter | Value (range) |
|---|---|
| Dose and fractionation of all lesions | |
| Median total dose | 30 Gy (30-50) |
| Median dose per fraction | 6 Gy (6-10) |
| Median number of fractions | 5 |
| Median BED10 | 48 Gy (48-100) |
| Dose and fractionation with V-MAT | |
| Median total dose | 40 Gy (30-50) |
| Median dose per fraction | 8 Gy (6-10) |
| Median number of fractions | 5 |
| Median BED10 | 72 Gy (48-100) |
| Dose and fractionation with HT | |
| Median total dose | 30 Gy (30-40) |
| Median dose per fraction | 6 Gy (6-8) |
| Median number of fractions | 5 |
| Median BED10 | 48 Gy (48-72) |
| Volumes of irradiation | |
| Median GTV | 16cc (0.91–123) |
| Median PTV | 43.5cc (8-236) |
| Concomitant treatment | |
| Chemotherapy | 2 |
| Target therapy | 5 |
| Immunotherapy | 5 |
| No systemic therapy | 25 |
BED10, biological equivalent dose with an α/β ratio of 10 Gy; GTV, Gross tumor volume; HT, helical tomotherapy; PTV, Planning target volume; SBRT, Stereotactic body radiotherapy; V-MAT, volumetric-modulated arc radiotherapy.